EPSS
Percentile
26.9%
PressBooks 5.17.3 contains a cross-site scripting (XSS). Stored XSS can be submitted via the Book Info’s Long Description Body, and all actions to open or preview the books page will result in the triggering the stored XSS.
github.com/pressbooks/pressbooks
github.com/pressbooks/pressbooks/commit/941a8c5eaeacea5eb211b54ee55bc0348139cbd8
github.com/pressbooks/pressbooks/pull/2072
nvd.nist.gov/vuln/detail/CVE-2021-3271
www.gosecure.net/blog/2021/02/16/cve-2021-3271-pressbooks-stored-cross-site-scripting-proof-of-concept